Need Self Drilling Screws That Penetrate Metal Without Pre-Drilling for Faster Installation?

Our ST3.5 self drilling screws in C-1022 steel eliminate pre-drilling steps, reducing installation time by up to 40% on metal building projects. With 30+ years of manufacturing expertise and stable quality control, Chan Chin C. delivers drilling fasteners that consistently penetrate metal substrates while maintaining structural integrity. Request samples or technical specifications to see how our self-drilling solutions can accelerate your construction timeline.

Our ST3.5 self-drilling fasteners are available with branded product options and buyer's label services, making them ideal for OEM manufacturers seeking reliable fastening solutions with customized branding. With a minimum order requirement of 100M per item and USD 5,000 per order, we support both large-scale construction projects and continuous production lines. Chan Chin C.'s commitment to stable quality, environmental certifications (ISO 14064-1:2018 and ISO 14067), and continuous innovation ensures that our drilling screws meet the evolving needs of global distribution markets. Contact us today to discuss your specific fastener requirements and discover how our comprehensive range of self-drilling solutions can enhance your production efficiency.